// preload pictures into browsers cache

var count = 0;

function pictLoad() {

	logo = new Image();
	logo.onload = (is.ns4b) ? loadImages() : loadImages;
	logo.src = "images/nos_logo.jpg";

	version = new Image();
	version.onload = (is.ns4b) ? loadImages() : loadImages;
	version.src = "images/version_nr.gif";

	navi1 = new Image();
	navi1.onload = (is.ns4b) ? loadImages() : loadImages;
	navi1.src = "images/history_nav_h.gif";

	navi2 = new Image();
	navi2.onload = (is.ns4b) ? loadImages() : loadImages;
	navi2.src = "images/history_nav_l.gif";

	navi3 = new Image();
	navi3.onload = (is.ns4b) ? loadImages() : loadImages;
	navi3.src = "images/profile_nav_h.gif";

	navi4 = new Image();
	navi4.onload = (is.ns4b) ? loadImages() : loadImages;
	navi4.src = "images/profile_nav_l.gif";

}

function loadImages() {
	count++;
	if(count == 6) {
		layerSetup();
	}
}


// positioning all layer


function layerSetup() { // positioning all layers

	dummyLyr = eval(doc + bracketLeft + '"dummyLayer"' + bracketRight + sty);
	dummyLyr.left = available_width/2-470;
	dummyLyr.top = available_height/2-300;

	for (var i=0; i < allLayers.length; i++) {
		eval( allLayers[i].name + 'Lyr =' + doc + bracketLeft + '"' + allLayers[i].name + 'Layer"' + bracketRight + sty);
		eval( allLayers[i].name + 'Lyr.left = parseInt(dummyLyr.left)+' + allLayers[i].left);
		eval( allLayers[i].name + 'Lyr.top = parseInt(dummyLyr.top)+' + allLayers[i].top);

	}
	visibilitySetup();
}


function visibilitySetup() { // show layers

	for (var i=0; i < allLayers.length; i++) {
		if(allLayers[i].visible){
			eval( allLayers[i].name + 'Lyr.visibility = "visible"');
		}
	}

	preloadImages();
}



function abschicken(){
	if(is.ns4){
		emailFormField = eval('document.scrollRahmenLayer.document.mainTextLayer.document.newsletter.email.value');
	}else if(is.ie){
		emailFormField = eval('document.all.newsletter.email.value');
	}else if(is.ns6){
		emailFormField = eval('document.forms[0].email.value');
	}
	if(emailFormField.indexOf("@") == -1 || emailFormField.indexOf(".") == -1){
		alert("überprüfen Sie bitte Ihr E-mail-Format.");
	return;
	}
	if(is.ns4){
		document.scrollRahmenLayer.document.mainTextLayer.document.newsletter.submit();
	}else if(is.ie){
		document.all.newsletter.submit();
	}else if(is.ns6){
		document.forms[0].submit();
	}
}